Open research questions in Bone fractures and treatments

What the literature leaves open

• The lack of a universally accepted definition of fracture nonunion. The need for a comprehensive assessment and management approach for fracture nonunion. The importance of considering fracture-related infection in all cases of nonunion.

  Fracture nonunion: classification, evaluation and management strategies—a structured approach for higher orthopaedic examinations · 2026 · DOI

• The extent to which tibial plateau fractures impact patient-reported function and quality of life remains underexplored. There is a need to evaluate the relationship between mechanism of injury and patient-reported outcomes. There is a need to identify factors associated with recovery in patients with operatively managed tibial plateau fractures.

  Factors influencing patient-reported outcomes in operatively managed tibial plateau fractures · 2026 · DOI

• There is a lack of information on delayed fibular union or non-union of the fibula in conjunction with a tibial fracture. The rate of fibular non-union in patients with tibial shaft fractures is unknown. The factors associated with the rate of fibular non-union are not well understood.

  Rate of fibular non-union in patients with tibial shaft fractures: a retrospective cohort study · 2026 · DOI

• The need for a better understanding of the characteristics and outcomes of humeral shaft nonunion. The lack of knowledge on the risk factors for delayed healing and multiple revisions. The variability in rates and risk factors of humeral shaft nonunion.

  Risk factors for delayed healing and multiple revisions in humeral shaft nonunion: a retrospective case series · 2026 · DOI

• Comparative studies examining outcomes following tibial shaft fractures with associated syndesmotic injuries are limited. The study aims to fill this gap by comparing clinical outcomes following intramedullary nailing of tibial shaft fractures with and without associated syndesmotic injuries.

  Tibial shaft fractures with associated syndesmotic injury: a retrospective comparative analysis of 113 patients · 2026 · DOI

• The lack of a reliable anatomically pre-contoured plate option for unicondylar distal femur fractures. The limited availability of multiple anatomic plate options due to local hospital implant vendor contracts and implant costs.

  Treatment of displaced sagittal plane femoral condyle fractures (OTA 33 B1-2) with novel J-plate: technical trick and case series · 2026 · DOI

• It also notes that the anatomical location, quality of overlying soft tissue, and presence of comorbidities can influence the risk of implant exposure. The paper highlights the need for a conservative approach to manage plate exposure and reduce patient morbidity.

  Management of orthopedic plate exposure: a case series evaluating advanced wound care and delayed hardware removal · 2026 · DOI

• The paper identifies a gap in the traditional management of plate exposure, which often involves aggressive surgical interventions. There is a need for a conservative approach to manage plate exposure and reduce patient morbidity. The paper aims to address this gap by evaluating a conservative approach utilizing advanced wound care techniques and delayed hardware removal.

  Management of orthopedic plate exposure: a case series evaluating advanced wound care and delayed hardware removal · 2026 · DOI

• The study notes the challenge of minimizing anterior knee pain, which remains a common complication after tibial nailing.

  Suprapatellar versus infrapatellar tibial nailing: the ongoing debate · 2026 · DOI

• The study faced challenges in terms of limited resources and access to advanced medical technology. The use of locally manufactured external fixators posed a challenge in terms of ensuring consistency and quality. The study had to balance the need for effective treatment with the limited resources available in the setting.

  Functional outcomes and complications of tibial lengthening using the lengthening over nail technique in leg length discrepancy patients in a low-resource setting · 2026 · DOI

• The lack of effective treatment options for leg length discrepancy in low-resource settings. The need for a cost-effective and reliable method for tibial lengthening. The limited availability of advanced medical technology in low-resource settings.

  Functional outcomes and complications of tibial lengthening using the lengthening over nail technique in leg length discrepancy patients in a low-resource setting · 2026 · DOI

• The study faced challenges in measuring medial fat thickness due to a small sample size and limited data. The study identified challenges in understanding the relationship between local adiposity and BMI in predicting surgical site infection. The study highlighted the need for larger studies to overcome the challenges of limited data and sample size.

  Body mass index, not local adiposity, best predicts surgical site infection following surgical fixation of distal femur fractures · 2026 · DOI

• The limited pediatric-specific literature on ballistic femur fractures. The reliance on adult trauma guidelines for treatment of pediatric ballistic femur fractures. The lack of long-term follow-up and outcomes data for pediatric and adolescent patients with ballistic femur fractures.

  Pediatric and adolescent ballistic femur fractures: treatment, outcomes, and costs from a level-one trauma center · 2026 · DOI

• The use of nail-plate construct fixation for complicated distal tibial fractures has not been comprehensively reported. There is a need for a solid fixation method for multiple types of complicated open or closed fractures.

  Evaluation of nail-plate construct fixation for complicated distal tibial fractures: a retrospective analysis of clinical and radiographic outcomes · 2026 · DOI

• The challenge of assessing soft tissue condition, which can be operator-dependent and not always feasible in the acute care setting. The risk of progression from contamination to established infection, particularly in cases where dehiscence is not of infectious aetiology.

  Hardware-preserving management of early soft-tissue breakdown over stable osteosynthesis: a retrospective single-centre experience · 2026 · DOI

• Need for standardized fluoroscopy protocols to improve accuracy and reduce malrotation.

  Development of intraoperative fluoroscopic protocols to avoid rotational malalignment during nailing of femoral fractures: a step-by-step guideline using the lesser trochanter profile or true lateral view · 2026 · DOI

• The exact etiology of anterior knee pain remains multifactorial and incompletely understood. The potential contribution of patellofemoral morphological variations to anterior knee pain following tibial intramedullary nailing remains largely unexplored.

  Relationship between patellofemoral morphology and anterior knee pain following tibial intramedullary nailing · 2026 · DOI

• Limited availability of fresh allografts. Risk of partial necrosis of the graft. Need for objective functional assessment.

  Massive allograft of the femoral condyle following ballistic trauma to the knee: a technical note · 2026 · DOI

• Comparison of the J-plate technique to other treatment strategies, - Investigation of the J-plate technique in a larger sample size, - Evaluation of the long-term outcomes of the J-plate…

  Treatment of displaced sagittal plane femoral condyle fractures (OTA 33 B1-2) with novel J-plate: technical trick and case series · 2026 · DOI

• Limited surgeon familiarity with the SPN technique, - Risk of iatrogenic injury to the knee joint with SPN, - Technical demands of IPN technique for proximal-third injuries, - Higher risk of deformity with IPN…

  Suprapatellar versus infrapatellar tibial nailing: the ongoing debate · 2026 · DOI

• Variability in patient demographics and fracture characteristics - Limited data on non-diaphyseal fractures of the femur or tibia - Difficulty in defining and measuring treatment success or failure - Need for careful consideration of confounding variables in statistical…

  The course of treatment in nonunions of long bones: can we predict when exchange nailing may fail? · 2026 · DOI

• No demographic or injury factor was significantly associated with failure of union by 1 year in tibias, - The study was a retrospective review, - Limited data on non-diaphyseal…

  The course of treatment in nonunions of long bones: can we predict when exchange nailing may fail? · 2026 · DOI

• Retrospective cohort study, - Small sample size of 29 patients, - Limited follow-up…

  Tibial condylar valgus osteotomy for posttraumatic varus deformity secondary to malunited tibial plateau fractures: a retrospective cohort study · 2026 · DOI

• The study used a human specimen study with a limited number of participants, - The study did not assess the long-term outcomes of the protocols, - The study did not compare the protocols to other methods of reducing rotational…

  Development of intraoperative fluoroscopic protocols to avoid rotational malalignment during nailing of femoral fractures: a step-by-step guideline using the lesser trochanter profile or true lateral view · 2026 · DOI

• Small number of reported cases, - Lack of objective functional assessment, - The main limitation of the series is the lack of standardized functional…

  Massive allograft of the femoral condyle following ballistic trauma to the knee: a technical note · 2026 · DOI

Most-cited papers in Bone fractures and treatments

• Epidemiology of adult fractures: A review · Injury · 2006 · 3,095 citations
• The biology of fracture healing · Injury · 2011 · 1,503 citations
• Global, regional, and national burden of bone fractures in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Disease Study 2019 · The Lancet Healthy Longevity · 2021 · 1,160 citations
• Fracture healing: The diamond concept · Injury · 2007 · 870 citations
• Application of subject-specific adaptive mechanical loading for bone healing in a mouse tail vertebral defect · Scientific Reports · 2021 · 842 citations
• The effect of ADHD on the life of an individual, their family, and community from preschool to adult life · Archives of Disease in Childhood · 2005 · 578 citations
• Delayed union and nonunions: Epidemiology, clinical issues, and financial aspects · Injury · 2014 · 571 citations
• TomoFix: a new LCP-concept for open wedge osteotomy of the medial proximal tibia – early results in 92 cases · Injury · 2003 · 542 citations
• Angiogenesis in bone regeneration · Injury · 2011 · 501 citations
• Foreign body reactions to resorbable poly(l-lactide) bone plates and screws used for the fixation of unstable zygomatic fractures · Journal of Oral and Maxillofacial Surgery · 1993 · 474 citations

Most recent work

• Animal models for critical-sized long-bone defects and long-bone non-union: a scoping review · Journal of Orthopaedic Surgery and Research · 2026
• The masquelet technique for severe open fractures: current insights · Journal of Orthopaedic Surgery and Research · 2026
• A Novel Classification System for Fifth Metatarsal Base Fractures Is Reliable and Clinically Validated · Clinical Orthopaedics and Related Research · 2026
• Current applications and challenges of artificial intelligence applied to diagnostics in pediatric musculoskeletal imaging · Pediatric Radiology · 2026
• Factors Affecting Outcomes of Hindfoot Fusion Nails for Acute Injury: A Multicenter Study · Journal of Orthopaedic Trauma · 2026
• What Is the Association Between Radiographic Measurements of Initial and Residual Fracture Displacement, Tibial Alignment, and Recovery in Terms of Patient-reported Outcome After Surgical Treatment of Tibial Plateau Fractures? · Clinical Orthopaedics and Related Research · 2026
• Epidemiology of complications after non-compulsory planned hardware-removal after limbs fracture · Orthopaedics & Traumatology: Surgery & Research · 2026
• Effects of tibial fracture-induced gait alterations on healing outcomes: Implications for patient-specific rehabilitation strategies · Computer Methods and Programs in Biomedicine · 2026
• Piezo1-Fstl1 Axis in Fracture Healing: Modulation of the Chondrocyte Inflammation-ROS-Mitochondrial Damage Cascade and Application of Smart Delivery System · International Journal of Biological Sciences · 2026
• Fracture morphological characteristics and associated soft-tissue injuries in flexion varus tibial plateau fractures · Bone and Joint Research · 2026

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